SFTP: add info on touch, chown, chgrp and truncate

Author: terrafrost

sftp/examples.html

@@ -134,7 +134,7 @@ <h1>php<span class="red">sec</span>lib: SFTP Examples and Notes</h1>
         <option value="get">Download File</option>
         <option value="dir">Directory Management</option>
         <option value="list">Directory Listing</option>
-        <option value="chmod">Change Permissions</option>
+        <option value="attr">File Attributes</option>
         <option value="stat">File Information</option>
         <option value="delete">Delete and Rename</option>
       </select>
@@ -174,8 +174,15 @@ <h1>php<span class="red">sec</span>lib: SFTP Examples and Notes</h1>
 //$sftp->delete('test', true);</span><span style="display: none">
 </span><span class="list">print_r($sftp->nlist()); // == $sftp->nlist('.')
 print_r($sftp->rawlist()); // == $sftp->rawlist('.')</span><span style="display: none">
-</span><span class="chmod">$sftp->chmod(0777, 'filename.remote');
-//$sftp->chmod(0777, 'dirname.remote', true); // recursively change permissions on a directory</span><span style="display: none">
+</span><span class="attr">$sftp->chmod(0777, 'filename.remote');
+//$sftp->chmod(0777, 'dirname.remote', true); // recursively change permissions on a directory
+// has the same syntax as <a href="http://php.net/touch">http://php.net/touch</a>
+$sftp->touch('filename.remote');
+$sftp->chown('filename.remote', $uid);
+//$sftp->chown('filename.remote', $uid, true); // recursively change the owner
+$sftp->chgrp('filename.remote', $gid);
+//$sftp->chgrp('filename.remote', $gid, true); // recursively change the group
+$sftp->truncate('filename.remote', $size);</span><span style="display: none">
 </span><span class="stat">echo $sftp->size('filename.remote');
 print_r($sftp->stat('filename.remote'));
 print_r($sftp->lstat('filename.remote'));</span><span class="delete">$sftp->delete('filename.remote'); // doesn't delete directories

sftp/intro.html

@@ -70,7 +70,15 @@ <h2>Features</h2>
         </ul>
       </li>
       <li><a href="examples.html#list">Directory Listing</a> (<code>nlist</code> and <code>rawlist</code>)</li>
-      <li><a href="examples.html#chmod">Change Permissions</a> (<code>chmod</code>)</li>
+      <li>
+        <a href="examples.html#attr">Change Attributes</a>
+        <ul>
+          <li>Permissions (<code>chmod</code>)</li>
+          <li>Date (<code>touch</code>)</li>
+          <li>(Group) Ownership (<code>chgrp</code>, <code>chown</code>)</li>
+          <li>Size (<code>truncate</code></li>)
+        </ul>
+      </li>
       <li><a href="examples.html#stat">File Information</a> (<code>stat</code>, <code>lstat</code> and <code>size</code>)</li>
       <li><a href="examples.html#delete">Delete and Rename</a> (<code>delete</code> and <code>rename</code>)</li>
       <li>